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From Drainage to Reuse: Realistic Strategies for Cost-Effective Rainwater Harvesting in the Netherlands

Duthler, L. (2025) From Drainage to Reuse: Realistic Strategies for Cost-Effective Rainwater Harvesting in the Netherlands.

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Abstract:This thesis investigates whether and how rainwater harvesting systems (RWHS) can be practically and cost-effectively implemented in Dutch infrastructure projects, using natural grass sports fields as a case study. In this case, the field serves as the catchment area and the irrigation as the water demand. The study begins by outlining the growing problems related to water supply and stormwater management. The literature review identifies a lack of research related to non-potable applications and associated costs. The research combines a practical case study with evaluations that discuss legal constraints, design considerations, and different alternatives. Systems with diverse characteristics are discussed (e.g., foil basins, Rainshell+FHVI, DrainTalent, and Permavoid). The capital costs of these systems are estimated and compared. A simplified simulation model was developed to estimate the reuse potential and overflow volume of different system configurations. This method was applied to the specific case study and could be adapted to a different context. Rainwater harvesting systems (RWHS) remain an economic challenge when considered solely as an alternative water source. The upfront costs are high, and the operational expenses are uncertain. However, they could be justified through optimisation via multifunctional design, regulatory harmonisation, and strategic system configuration, offering clear benefits in terms of rainwater management and reuse.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Programme:Civil Engineering BSc (56952)
Link to this item:https://purl.utwente.nl/essays/107704
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